Vivien, mistress of Merliu, the enchanter, who lived in the midst of an imaginary lake, surrounded by knights and damsels. Tennyson, in the Idylls of the King, tells the story of Vivien and Merlin. (See LANCELOT.)

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Lady of the Lake. Ellen Douglas, who lived with her father near Loch Katrine. (Sir Walter Scott: The Lady of the Lake.)